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441020320 = 25513212029
BaseRepresentation
bin11010010010010…
…110111110100000
31010201212011010221
4122102112332200
51400400122240
6111432332424
713633416346
oct3222267640
91121764127
10441020320
11206a43104
12103844114
13704a4690
1442801996
1528ab7a4a
hex1a496fa0

441020320 has 48 divisors (see below), whose sum is σ = 1122062760. Its totient is φ = 162837504.

The previous prime is 441020311. The next prime is 441020347. The reversal of 441020320 is 23020144.

It can be written as a sum of positive squares in 4 ways, for example, as 173501584 + 267518736 = 13172^2 + 16356^2 .

It is a super-3 number, since 3×4410203203 (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 441020294 and 441020303.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103935 + ... + 108094.

Almost surely, 2441020320 is an apocalyptic number.

441020320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

441020320 is an abundant number, since it is smaller than the sum of its proper divisors (681042440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

441020320 is a wasteful number, since it uses less digits than its factorization.

441020320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212057 (or 212049 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 441020320 is about 21000.4838039508. The cubic root of 441020320 is about 761.1779516998.

Adding to 441020320 its reverse (23020144), we get a palindrome (464040464).

The spelling of 441020320 in words is "four hundred forty-one million, twenty thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 13 16 20 26 32 40 52 65 80 104 130 160 208 260 416 520 1040 2080 212029 424058 848116 1060145 1696232 2120290 2756377 3392464 4240580 5512754 6784928 8481160 11025508 13781885 16962320 22051016 27563770 33924640 44102032 55127540 88204064 110255080 220510160 441020320